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Posted by Pat S on February 01, 2005 at 16:06:19:
In Reply to: Re: Condensing vs Non-Condensing Gas Boilers posted by Dave on February 01, 2005 at 15:07:40:
Thanks again! Am I correct in assuming that condensing boilers' efficiency rely on almost (or 100%) HWS circulation in order to maintain 68-70 indoor at lowest possible supply temp? Wouldn't the increase in pump energy consumption negate some, if not all, my fuel savings during the heating season?